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Alina [70]
3 years ago
5

What is the area of this shape?

Mathematics
1 answer:
suter [353]3 years ago
6 0

Step-by-step explanation:

There are four quarter circles, each with radius 9 ft.  Together, they form a full circle.  There are also four squares, each with side length 9 ft.

A = πr² + 4s²

A = π (9 ft)² + 4 (9 ft)²

A ≈ 578.469 ft²

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james ran 25/100 of a mile yesterday and his friend Natasha ran 4/10 of a mile. who ran farther and how do u know​
Elanso [62]

Answer: Natasha ran further

Step-by-step explanation:

1. Simplify both fractions into a common denominator:

25/100 and 40/100

2. Compare:

40/100 > 25/100

3. Answer:

Natsha ran further

Have a nice day! :D

7 0
2 years ago
Read 2 more answers
The data below are the ages and systolic blood pressures (measured in millimeters of mercury) of 9 randomly selected adults. Age
Ipatiy [6.2K]

Answer:

156

Step-by-step explanation:

Given the data:

Age (X) :

38

41

45

48

51

53

57

61

65

Pressure(Y) :

116

120

123

131

142

145

148

150

152

From the data, we could obtain a regression equation to mod the data Given using a linear regression calculator :

The regression equation obtained is :

y = 1.48769X + 60.46103

Using the model, the predicted blood pressure for a person aged 64 will be :

y = 1.48769(64) + 60.46103

y = 95.21216 + 60.46103

y = 155.67319

y = 156 (nearest whole number)

3 0
2 years ago
Absolute Value equations always have 2 answers.<br> True<br> False
Setler [38]
The answer is, "False". 
3 0
3 years ago
In Exercises 51−56, the letters a, b, and c represent nonzero constants. Solve the equation for x
anastassius [24]

Answer:

x = (b-c)/a

Step-by-step explanation:

ax + b = c

Subtract b from each side

ax+b-b = c-b

ax = b-c

Divide by a

ax/a = (b-c)/a

x = (b-c)/a

3 0
2 years ago
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A card game is being played and the 4 of hearts, 8 of clubs, and 9 of hearts
Margaret [11]
B. 32.6%..............
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3 years ago
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